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Short-range navigation radio systems. Terms and definitions
Document status: Active
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for reverberation test rooms
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Optics and photonics. Lasers and laser-related equipment. Standard optical elements. Part 1. Standard optical elements for laser equipment operating in the ultraviolet, visible and near-infrared spectral ranges. General technical requirements
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Meat and meat products. Determination of magnesium by flame atomic absorption spectrometry
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Swimming pools. Drowing warning system. General specifications
Document status: Active